Installing firewalld package on SLE only if active firewall technolog…

…y is set to be firewalld

linux_os/guide/system/network/network-firewalld/firewalld_activation/package_firewalld_installed/rule.yml

@@ -49,10 +49,20 @@ fixtext: |-
 
     {{{ package_install("firewalld") }}}
 
+{{%- if product in [ "sle12", "sle15" ] %}}
+template:
+    name: package_installed_guard_var
+    vars:
+        pkgname: firewalld
+        variable: var_network_filtering_service
+        value: firewalld
+{{%- else %}}
 template:
     name: package_installed
     vars:
         pkgname: firewalld
+{{%- endif %}}
+
 
 srg_requirement:
     {{{ full_name }}} must have the firewalld package installed.